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Diffstat (limited to 'net/9p/client.c')
-rw-r--r--net/9p/client.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index 6f4c4c88db84..498454b3c06c 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -843,7 +843,8 @@ static struct p9_req_t *p9_client_zc_rpc(struct p9_client *c, int8_t type,
if (err < 0) {
if (err == -EIO)
c->status = Disconnected;
- goto reterr;
+ if (err != -ERESTARTSYS)
+ goto reterr;
}
if (req->status == REQ_STATUS_ERROR) {
p9_debug(P9_DEBUG_ERROR, "req_status error %d\n", req->t_err);
@@ -1582,6 +1583,10 @@ p9_client_read(struct p9_fid *fid, u64 offset, struct iov_iter *to, int *err)
p9_free_req(clnt, req);
break;
}
+ if (rsize < count) {
+ pr_err("bogus RREAD count (%d > %d)\n", count, rsize);
+ count = rsize;
+ }
p9_debug(P9_DEBUG_9P, "<<< RREAD count %d\n", count);
if (!count) {
@@ -1647,6 +1652,11 @@ p9_client_write(struct p9_fid *fid, u64 offset, struct iov_iter *from, int *err)
if (*err) {
trace_9p_protocol_dump(clnt, req->rc);
p9_free_req(clnt, req);
+ break;
+ }
+ if (rsize < count) {
+ pr_err("bogus RWRITE count (%d > %d)\n", count, rsize);
+ count = rsize;
}
p9_debug(P9_DEBUG_9P, "<<< RWRITE count %d\n", count);